<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title>item</title>
		
		<script src="bundle.js"></script>
		<style>
			*{
				margin: 0;padding: 0;
			}
			div{
				background: greenyellow;
				width: 100px;
				height: 100px;
				position: relative;
				left: 0;
				top: 0;
			}
			.kuang{
				width: 95px;
				height: 95px;
				border: 5px dashed #eee;
				position: absolute;
				left: 0;
				top: 0;
			}

		</style>
	</head>
	<body>
		<div id="div1"></div>
	</body>
</html>
